Home / 236,613.69-326,514.44-129,162.94

Finding the Fourth Proportional to 236,613.69, 326,514.44 and 129,162.94

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Solution

The fourth proportional to 236,613.69, 326,514.44 and 129,162.94 is: 178,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,613.69 : 326,514.44 = 129,162.94 : x
  2. Step 2: Convert to fraction form
    236,613.69/326,514.44 = 129,162.94/x
  3. Step 3: Cross multiply
    236,613.69x = 326,514.44 × 129,162.94
  4. Step 4: Simplify right side
    236,613.69x = 42,173,564,529.47
  5. Step 5: Solve for x
    x = 42,173,564,529.47/236,613.69
  6. Step 6: Final answer
    x = 178,238.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.